Stauros\HTML\ScannerTest::testAttributeCallback PHP Method

    public function testAttributeCallback()
    {
        $called = 0;
        $cb = function () use(&$called) {
            $called++;
            return false;
        };
        $config = new Config();
        $config->addAttributeCallback($cb);
        $scanner = new Scanner($config);
        $scanner->start();
        $output = $scanner->scan("<a href='http://blah.com'>blah</a>");
        $output .= $scanner->end();
        $this->assertEquals(1, $called);
        $this->assertEquals("<a>blah</a>", $output);
    }